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  1. ,
    Expert tip

    Try downgrading PostgresSQL server to 9.5 or update your PostgresSQL driver to 9.4-1211 with the following command: <postgresql.version>9.4.1211</postgresql.version>

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org.postgresql.util.PSQLException: ERROR: syntax error at or 
near "."
   Position: 13	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2458)	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2158)	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:463)	at org.postgresql.jdbc.PgStatement.executeBatch(PgStatement.java:794)	at org.postgresql.jdbc.PgPreparedStatement.executeBatch(PgPreparedStatement.java:1662)	at org.apache.commons.dbcp2.DelegatingStatement.executeBatch(DelegatingStatement.java:345)	at org.apache.commons.dbcp2.DelegatingStatement.executeBatch(DelegatingStatement.java:345)	at org.hibernate.engine.jdbc.batch.internal.BatchingBatch.performExecution(BatchingBatch.java:113)	at org.hibernate.engine.jdbc.batch.internal.BatchingBatch.doExecuteBatch(BatchingBatch.java:101)	at org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl.execute(AbstractBatchImpl.java:161)	at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.executeBatch(JdbcCoordinatorImpl.java:207)	at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:390)	at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:310)	at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:349)	at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:56)	at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1195)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.hibernate.context.internal.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:352)	at com.sun.proxy.$Proxy41.flush(Unknown Source)	at org.dspace.core.HibernateDBConnection.commit(HibernateDBConnection.java:84)	at org.dspace.core.Context.commit(Context.java:402)	at org.dspace.core.Context.complete(Context.java:354)	at org.dspace.app.util.AbstractDSpaceWebapp.deregister(AbstractDSpaceWebapp.java:89)	at org.dspace.app.util.DSpaceWebappListener.contextDestroyed(DSpaceWebappListener.java:43)	at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:5115)	at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5779)	at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:224)	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:159)	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1260)	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2002)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)